<template>
    <el-drawer title="设置轮播图" v-model="dialogVisible" size="50%" destroy-on-close>
        <el-form :model="form" label-width="80px">
            <el-form-item label="轮播图">
                <ChooseImage :limit="9" v-model="form.banners" />
            </el-form-item>

            <el-form-item>
                <el-button type="primary" @click="submit" :loading="loading">提交</el-button>
            </el-form-item>
        </el-form>

    </el-drawer>
</template>

<script setup>
import { ref, reactive } from 'vue'
import ChooseImage from '~/components/ChooseImage.vue'
import { toast } from '~/composables/util'

import {
    readGoods,
    setGoodsBanner
} from '~/api/goods'

const dialogVisible = ref(false)

const form = reactive({
    banners: []
})

// 打开对话框
const goodsId = ref(0)
const open = (row) => {
    goodsId.value = row.id
    row.bannersLoading = true
    readGoods(goodsId.value).then(res => {
        form.banners = res.goodsBanner.map(o => o.url)
        dialogVisible.value = true
    }).finally(() => {
        row.bannersLoading = false
    })
}

// 提交表单
const emit = defineEmits(['reloadData'])
const loading = ref(false)
const submit = () => {
    loading.value = true
    setGoodsBanner(goodsId.value, form).then(res => {
        toast("设置轮播图成功")
        dialogVisible.value = false
        emit('reloadData')
    }).finally(() => {
        loading.value = false
    })
}

defineExpose({
    open
})
</script>